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Home >> Browse Vulnerability Assessment Database >> SMTP problems >> CMail's MAIL FROM overflow


Vulnerability Assessment Details

CMail's MAIL FROM overflow

Vulnerability Assessment Summary
Overflows a buffer in the remote mail server

Detailed Explanation for this Vulnerability Assessment

There seem to be a buffer overflow in the remote SMTP server
when the server is issued a too long argument to the 'MAIL FROM'
command, like :

MAIL FROM: AAA[...]AAA@nessus.org

Where AAA[...]AAA contains more than 8000 'A's.

This problem may permit a possible hacker to prevent this host
to act as a mail host and may even permit him to execute
arbitrary code on this system.


Solution : Contact your vendor for a patch

Network Security Threat Level: High

Networks Security ID: 633

Vulnerability Assessment Copyright: This script is Copyright (C) 1999 Renaud Deraison

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